Volume 8, Issue 1 ((Spring and Summer) 2021)                   Iranian J. Seed Res. 2021, 8(1): 151-162 | Back to browse issues page

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Dehshiri A, Karimi M, Asareh M, Hamidi A, Karbalaeiharoftah Z, Safikhani F. Seed Coating of Satureja (Satureja hortensis) By Several Materials and Selecting the Suitable Method for Improvement of Seed Germination. Iranian J. Seed Res.. 2021; 8 (1) :151-162
URL: http://yujs.yu.ac.ir/jisr/article-1-476-en.html
Seed and Plant Certification and Registration Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran , Ab_dehshiri@yahoo.com
Abstract:   (1295 Views)
Extended abstract
Introduction: Small size of Satureja (Satureja hortensis L.) seed causes many problems in mechanized cultivation and its seed consumption is increased significantly.  The approach discussed in the present study is the seed coating of Satureja by several matters and selecting the suitable method as well as investigation of adding hormonal and nutritional substances to the selected coating material for better emergence and the elimination of problem arise as a result of coating.
Materials and Methods: Purified Satureja seeds (97%) were prepared and poured into the coating machine at a specified amount. First, 1% solution of benomyl fungicide was sprayed on the seeds. Then some coating powder was sprayed on the spinning wet seeds inside the machine. Then some of the adhesive solution was sprayed on it and again the coating powder was added and this was repeated several times to create a suitable form for the coated seeds. This was repeated using different materials and among these coatings powder, vermiculite and perlite provided better coating on Satureja seed. Then, different materials including gibberellin, BAP, cytokinin, thiourea (CH4N2S) and potassium nitrate (KNO3), phosphorus from H2PO4 source and manganese sulfate (MnSO4) were used to the emergence of the enlarged seeds and also, the emergence of these seeds were evaluated in the greenhouse.
Results: Initial results showed that vermiculite and perlite provided better cover for Satureja compared with the other coating materials. Investigating the emergence of perlite-coated seeds in the greenhouse showed that gibberellin (all concentrations) and kinetin (500 mg/l) present in the seed coat improved the Satureja seed emergence under greenhouse condition. Also, it was found that Thiourea (700 and 7000 mg/l), potassium nitrate (7, 70, 700 mg/l), phosphorous (9 kg/100 kg seed) and manganese sulphate (2 and 4 mg/l) present in the coat significantly increased the Satureja seed emergence and led to improved seedling growth.
Conclusion: Perlite for the purpose of seed pelleting of Satureja showed good results and the use of gibberellin (at all concentrations) and quintine (500 mg/l) in the seed pelleting improved germination of pelleted Satureja seed.

1- Technical knowledge of Satureja seed pelleting was obtained.
2- The suitable material to improve the emergence of pelleted Satureja seed was introduced.
Article number: 10
Full-Text [PDF 578 kb]   (253 Downloads)    
Type of Study: Applicable | Subject: Seed Physiology
Received: 2020/03/15 | Accepted: 2021/05/3

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